age-group (also age-bracket)

n (people in a) period of life between two (often specified) ages 某组年龄范围（内的人们）: mix with (people in) one's own age-group 与自己年龄范围的人混在一起 * Only people in the age-bracket 20-30 need apply. 只有年龄在20-30岁之间的人才可以申请.

after-effect, after-image, after-taste, afterbirth, afterglow, afterlife, aftermost, afternoon, afternoons, aftershave, afterthought, afterward, afterward(s), afterwards, again, against, agape, agate, age, age of consent, age-old, aged, ageing, ageing (also aging), ageism (also agism), ageless, agelong, agency, agenda, agent, agent provocateur, agglomerate, agglomeration, agglutinate, agglutination, agglutinative, aggrandize, aggrandize, aggrandise, aggrandizement, -isement, aggravate,